We have a number of PDF converter tools in Linux. One of them is Investintech Able2Extract PDF Converter. Able2Extract main features are convert a PDF document into editable format such as ODF (ODT and all) or Microsoft Office (DOCX and all). Able2Extract can also convert a PDF into AutoCAD (DWG, DXF) and HTML. I use Able2Extract free trial version here. The official Able2Extract page is here.